ATHOL:
Scottish surname transferred to unisex forename use, derived from
the name of a district of Perthshire, Scotland,
composed of the Gaelic elements ath "ford"
and al "rock, stone," hence
"ford of the rock; rock-ford."

CAM: Short form of Scottish unisex Cameron
("crooked nose"), and other names
beginning with Cam-.

CAMERON:
Scottish surname transferred
to unisex forename use, from the name of the great
Highland clans whose ancestor had an ungraceful proboscis, composed of the Gaelic elements
cam "bent, crooked" and sròn "nose,"
hence "crooked nose."